diff --git a/CRM/Core/Session.php b/CRM/Core/Session.php
index bebced1..e2f2ff3 100644
--- a/CRM/Core/Session.php
+++ b/CRM/Core/Session.php
@@ -122,8 +122,9 @@ class CRM_Core_Session {
           // https://issues.civicrm.org/jira/browse/CRM-14356
           if (! (isset($GLOBALS['lazy_session']) && $GLOBALS['lazy_session'] == true)) {
             drupal_session_start();
+          } else {
+            $_SESSION = array();
           }
-          $_SESSION = array();
         }
         else {
           session_start();